| Surface Finishes | Description | Services | Applicable Materials | |
![]() | As Machined | Standard finish, surface roughness of 3.2 μm (126 μin), removes sharp edges and deburs parts cleanly. | CNC machining, Sheet metal fabrication | Metals, Plastics |
![]() | Sand Blasting | Powerfully propels blast media against surfaces to remove coatings and impurities. | CNC machining, Sheet metal fabrication | Metals, Plastics |
![]() | Tumbling | Utilizes barrel or vibratory processes with abrasives to smooth and polish the surface of parts. | CNC Machining, Sheet metal fabrication | Metals, Plastics, Glass |
![]() | Electropolish | Electrochemical process that smoothens, polishes, and deburrs metal surfaces to a high gloss. | CNC machining | Stainless steel, Copper, Aluminum |
![]() | Heat Treatment | Alters the physical (and sometimes chemical) properties of a material to achieve desired mechanical properties. | CNC machining | Metals |
![]() | Alodine | Chemical treatment process providing corrosion protection and surface preparation for paint adhesion. | CNC machining, Sheet metal fabrication | Aluminum, Aerospace Alloys |
![]() | Anodizing | Electrochemical process that forms a durable, corrosion-resistant oxide layer on the surface of metals. | CNC Machining, Sheet metal fabrication | Aluminum |
![]() | Teflon Coating | Applies a protective layer of PTFE to reduce friction and enhance corrosion resistance. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Plastics |
![]() | Black Oxidize | Chemical bath that creates a black oxide coating on metal to improve corrosion resistance. | CNC machining, Sheet metal fabrication | Steel, Iron |
| Electroless Plating | Deposition of a metal coating on substrates using an autocatalytic chemical process. | CNC machining, Injection molding, 3D printing | Metals, Plastics | |
![]() | Electroplating | Uses electric current to reduce dissolved metal cations to form a coherent metal coating. | CNC machining, Sheet metal fabrication | Metals |
![]() | Painting | Application of paint for aesthetic improvements and protective coatings. | CNC machining, Sheet metal fabrication, Injection molding, 3D printing | Metals, Plastics, Wood |
![]() | Passivation | Chemical treatment to enhance the corrosion resistance of metals by removing free iron from the surface. | CNC machining, Sheet metal fabrication | Stainless Steel, Other Corrosion-resistant Alloys |
![]() | Powder Coating | Dry finishing process using powdered paint to provide a high-quality, durable finish. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Some Plastics |
![]() | Electrophoresis | Coating process using charged particles suspended in a solvent, typically for uniform finishes. | CNC machining, Sheet metal fabrication | Metals, Ceramics |
![]() | Brushed Finish | Mechanical polishing that produces a unidirectional satin finish. | CNC machining, Sheet metal fabrication | Metals |
![]() | SPI Finish | SPI Finish standardizes surface textures on plastic parts, offering finishes from high-gloss to matte, ensuring consistent aesthetics and functionality in injection molding. | Injection molding | Plastics |